import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
// import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
    // start progress bar
    NProgress.start()

    // set page title
    document.title = getPageTitle(to.meta.title)

    // determine whether the user has logged in
    // const hasToken = getToken()
    // console.log(to);

    const hasAuth = store.getters.adminAuth && store.getters.adminAuth.length > 0
    if (hasAuth) {
        if (to.path === '/login') {
            // if is logged in, redirect to the home page
            next({ path: '/' })
            NProgress.done()
        } else {
            // determine whether the user has obtained his permission roles through getInfo
            next()
        }
    } else {
        /* has no token*/
        if (whiteList.indexOf(to.path) !== -1) {
            // in the free login whitelist, go directly
            next()
        } else {
            try {
                // get user info
                // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
                const { adminId } = await store.dispatch('user/getInfo')
                const adminAuth = await store.dispatch('user/getAuth')

                // generate accessible routes map based on roles
                const accessRoutes = await store.dispatch('permission/generateRoutes', { adminAuth, adminId })

                // dynamically add accessible routes
                router.addRoutes(accessRoutes)

                // hack method to ensure that addRoutes is complete
                // set the replace: true, so the navigation will not leave a history record
                next({ ...to, replace: true })
            } catch (error) {
                // remove token and go to login page to re-login
                // await store.dispatch('user/resetToken')
                // 圆通不要
                // Message.error(error || 'Has Error')
                next(`/login?redirect=`)// ${to.path}
                NProgress.done()
            }
        }
    }
})

router.afterEach(() => {
    // finish progress bar
    NProgress.done()
})
